National Cyber Awareness System

Vulnerability Summary for CVE-2008-5558

Overview

Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: VUPEN

Name: ADV-2008-3403

Hyperlink:http://www.vupen.com/english/advisories/2008/3403

External Source: SECTRACK

Name: 1021378

Hyperlink:http://www.securitytracker.com/id?1021378

External Source: BID

Name: 32773

Hyperlink:http://www.securityfocus.com/bid/32773

External Source: BUGTRAQ

Name: 20081210 AST-2008-012: Remote crash vulnerability in IAX2

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/499117/100/0/threaded

External Source: SREASON

Name: 4769

Hyperlink:http://securityreason.com/securityalert/4769

External Source: GENTOO

Name: GLSA-200905-01

Hyperlink:http://security.gentoo.org/glsa/glsa-200905-01.xml

External Source: SECUNIA

Name: 34982

Hyperlink:http://secunia.com/advisories/34982

External Source: SECUNIA

Name: 32956

Type: Advisory

Hyperlink:http://secunia.com/advisories/32956

External Source: OSVDB

Name: 50675

Hyperlink:http://osvdb.org/50675

External Source: CONFIRM

Name: http://downloads.digium.com/pub/security/AST-2008-012.html

Hyperlink:http://downloads.digium.com/pub/security/AST-2008-012.html